Solve the problem.Maria and Charlie can deliver 75 papers in 3 hours. How long would it take them to deliver 60 papers?
A. 3.2 hr
B. 3.8 hr
C. 2.4 hr
D. 180 hr
Answer: C
Mathematics
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Find the angle between v and w. Round your answer to one decimal place, if necessary.v = -5i + 7j,
w = -6i - 4j
A. 20.7° B. 88.2° C. 110.8° D. 90.9°
Mathematics
Solve the exponential equation and approximate the result, correct to three decimal places.
= 5
A. 0.215 B. 0.3261 C. 0.2027 D. 0.2798
Mathematics
Use the Intermediate Value Theorem to determine whether the polynomial function has a zero in the given interval.f(x) = 10x5 + 7x3 + 4x2 + 1; [-1, 0]
A. f(-1) = 12 and f(0) = 1; no B. f(-1) = -12 and f(0) = 1; yes C. f(-1) = 12 and f(0) = -1; yes D. f(-1) = -12 and f(0) = -1; no
Mathematics
Solve.y2 = - 3y + 9
A. -3 ± 3
B. 
C. 
D. 
Mathematics